App Engine API support

Health Checking

By default, all programs running in the flexible environment receive health check requests
If a base image supports health checking, you don't need to write any additional code. If it does not, you will need
to disable health checks, or write your own code to handle health check requests.

Selecting the Python version

The python runtime has Python 2.7.9 and Python 3.6.2 pre-installed. You can customize the Dockerfile to install other versions or alternative interpreters if needed.

You can specify a whether to use Python 2 or Python 3 in your application's Dockerfile when creating the virtualenv: